You might as well compare with these Back Items so you can decide which Back Items you're gonna use for ninja Saga Pvp or in Hunting House for easier killing the boss or your opponent in ninja saga PvP
These Back Items might have better effect . Here we go :

• Folk Folding Fan
• Ultimate Taiko

  Recover 120 HP at the start of every turn. Has 15% chance to restrict enemy who attack user for 1 turn. Restriction target will not be able to use any skills.
• S15 Seitenken

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• Four-Point Shuriken
• S34 Wooden Name Tag

  Recover CP after HP reduction. (Amount: 20% of HP reduction)
• S74 Burning Wings

  Increases attack damage by 4% and Combustion chance by 25%. (Minimum requirement of 1 Attribute Point in Fire to activate combustion effect)
• Apple Candy

  Increases damage by 5%. Has 3% chance to convert damage taken to HP positively.
• Rose Cloak

  Restores 80 CP at the start of every turn. Converts 8% of damage taken into CP.
• Butterfly Wings
• Charming Aura (Red)

  2012 Valentines day limited aura, increase all damage 2%.
• Snowflake

  3% chance to freeze enemy who attack user (1 turn). (Frozen target cannot move but damage taken is reduced by 80%.)
• Blood Brush

  Increase 3% damage and increase healing power of scrolls by 10%.
• Ancient Pipe

  5% chance to restrict enemy who attack user for 1 turn. (Restriction) target will not be able to use any skills.
• Mech of Wing

  Reduce damage taken by 10%.
• Silver Torch of Zeus

  Increase mission gold reward by 300.
• Moai Flagon

  Increase Max. HP by 3%. Reduce damage taken by 100.
• S11 Tensho Compass

  Increase attack damage by 4%, and recover HP by 1%. But reduce critical chance by 1%.
• Beast Mace
• Charming Aura (Pink)

  2012 Valentines day limited aura, reduce damage 2%.
• Seal Nightmare Wing

  Ignore 4% targets dodge.
• Sagittarius Hunting Set

  Increases dodge rate by 4%. Additional 80 HP damage on all attacks.
• Mischievous Candy

  Increase accuracy by 3%. Increase healing power of scrolls by 50%.
• Balloon Rabbit Doll

  Has 8% chance to convert damage taken to HP positively.
• S18 Evil Spirit Shield

  Reduce 14% damage taken.
• S13 Kishu Twin Blades

  Increase accuracy by 8%
• Fathers Treasure

  2014 Fathers Day special back item. Doubles the TP reward from TP missions.
• Christmas Bag

  Reduce damage taken by 10.